PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Ryzen 7 5800X

2020

Why buy it

✅Better for gaming: +3.6% higher average FPS across 4 shared CPU benchmark tests.
✅+100% larger total L3 cache (32 MB vs 16 MB).
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $449 MSRP, while Ryzen 7 7840S mostly shows up through inconsistent older-market listings.
❌1212.5% higher power demand at 105W vs 8W.
❌Older platform position on AM4 with DDR4, while Ryzen 7 7840S moves to FP7/FP7r2/FP8 and DDR5.
❌No integrated graphics, while Ryzen 7 7840S can still boot and troubleshoot without a discrete GPU.

Ryzen 7 7840S

2023

Why buy it

✅Draws 8W instead of 105W, a 97W reduction.
✅Newer platform on FP7/FP7r2/FP8 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Radeon 780M, while Ryzen 7 5800X needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 5800X across 4 shared CPU benchmark tests.
❌Lower PassMark (23,290 vs 27,712).
❌Smaller total L3 cache (16 MB vs 32 MB).

Ryzen 7 5800X

2020

Ryzen 7 7840S

2023

Why buy it

✅Better for gaming: +3.6% higher average FPS across 4 shared CPU benchmark tests.
✅+100% larger total L3 cache (32 MB vs 16 MB).
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Why buy it

✅Draws 8W instead of 105W, a 97W reduction.
✅Newer platform on FP7/FP7r2/FP8 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Radeon 780M, while Ryzen 7 5800X needs a discrete GPU.

Trade-offs

❌Launch MSRP is still $449 MSRP, while Ryzen 7 7840S mostly shows up through inconsistent older-market listings.
❌1212.5% higher power demand at 105W vs 8W.
❌Older platform position on AM4 with DDR4, while Ryzen 7 7840S moves to FP7/FP7r2/FP8 and DDR5.
❌No integrated graphics, while Ryzen 7 7840S can still boot and troubleshoot without a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 5800X across 4 shared CPU benchmark tests.
❌Lower PassMark (23,290 vs 27,712).
❌Smaller total L3 cache (16 MB vs 32 MB).

Quick Answers

So, is Ryzen 7 5800X better than Ryzen 7 7840S?

Yes. Ryzen 7 5800X is the better overall CPU here. You are getting a 3.6% average FPS lead across 4 shared CPU game tests in our data and 19% better PassMark, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 5800X is the better pick here. According to our tests, it delivers 3.6% more average FPS across 4 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Ryzen 7 5800X is the better fit. You are getting 19% better PassMark, backed by 8 cores and 16 threads. It also carries the larger cache pool with 100% larger total L3 cache (32 MB vs 16 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 7 5800X is the smarter buy today. Ryzen 7 5800X is at an unclear MSRP at $449 MSRP versus unclear MSRP, and it gives you a 3.6% average FPS lead across 4 shared CPU game tests in our data. It is also 100.0% better value on MSRP (61.7 vs 0.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

Which one is more future-proof for 2026 and beyond?

Ryzen 7 7840S is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020) and a healthier platform with FP7/FP7r2/FP8 and DDR5 instead of AM4. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Ryzen 7 5800X Benchmark Check

Ryzen 7 7840S Benchmark Check

Path of Exile 2

Preset	Ryzen 7 5800X	Ryzen 7 7840S
1080p
low	206 FPS	269 FPS
medium	178 FPS	243 FPS
high	146 FPS	204 FPS
ultra	110 FPS	176 FPS
1440p
low	170 FPS	236 FPS
medium	142 FPS	193 FPS
high	115 FPS	157 FPS
ultra	88 FPS	139 FPS
4K
low	83 FPS	164 FPS
medium	74 FPS	136 FPS
high	59 FPS	105 FPS
ultra	46 FPS	92 FPS

Open Ryzen 7 5800X Open Ryzen 7 7840S

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 7 5800X	Ryzen 7 7840S
1080p
low	662 FPS	509 FPS
medium	558 FPS	419 FPS
high	466 FPS	361 FPS
ultra	417 FPS	322 FPS
1440p
low	563 FPS	445 FPS
medium	493 FPS	386 FPS
high	423 FPS	332 FPS
ultra	361 FPS	283 FPS
4K
low	350 FPS	293 FPS
medium	308 FPS	266 FPS
high	288 FPS	251 FPS
ultra	250 FPS	216 FPS

Open Ryzen 7 5800X Open Ryzen 7 7840S

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 7 5800X	Ryzen 7 7840S
1080p
low	693 FPS	582 FPS
medium	651 FPS	582 FPS
high	570 FPS	582 FPS
ultra	464 FPS	546 FPS
1440p
low	693 FPS	582 FPS
medium	573 FPS	582 FPS
high	498 FPS	541 FPS
ultra	413 FPS	464 FPS
4K
low	484 FPS	541 FPS
medium	410 FPS	473 FPS
high	363 FPS	419 FPS
ultra	302 FPS	355 FPS

Open Ryzen 7 5800X Open Ryzen 7 7840S

League of Legends

League of Legends

Valorant

Preset	Ryzen 7 5800X	Ryzen 7 7840S
1080p
low	693 FPS	582 FPS
medium	693 FPS	582 FPS
high	693 FPS	582 FPS
ultra	693 FPS	582 FPS
1440p
low	693 FPS	582 FPS
medium	693 FPS	582 FPS
high	672 FPS	582 FPS
ultra	593 FPS	573 FPS
4K
low	604 FPS	572 FPS
medium	550 FPS	511 FPS
high	495 FPS	457 FPS
ultra	436 FPS	394 FPS

Open Ryzen 7 5800X Open Ryzen 7 7840S

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 7 5800X and Ryzen 7 7840S

Ryzen 7 5800X

The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 27,712 points. Launch price was $449.

Ryzen 7 7840S

The Ryzen 7 7840S is manufactured by AMD. It was released in 5 January 2023 (2 years ago). It is based on the Phoenix-HS (Zen 4) (2023) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB. L2 cache: 8 MB. Built on 4 nm process technology. Socket: FP7/FP7r2/FP8. Thermal design power (TDP): 8 MB + 16 MB. Memory support: DDR5. Passmark benchmark score: 23,290 points. Launch price was $299.

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Processing Power

Both the Ryzen 7 5800X and Ryzen 7 7840S share an identical 8-core/16-thread configuration. Boost clocks reach 4.7 GHz on the Ryzen 7 5800X versus 5.1 GHz on the Ryzen 7 7840S — a 8.2% clock advantage for the Ryzen 7 7840S (base: 3.8 GHz vs 3.8 GHz). The Ryzen 7 5800X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Ryzen 7 7840S uses Phoenix-HS (Zen 4) (2023) (4 nm). In PassMark, the Ryzen 7 5800X scores 27,712 against the Ryzen 7 7840S's 23,290 — a 17.3% lead for the Ryzen 7 5800X. L3 cache: 32 MB on the Ryzen 7 5800X vs 16 MB on the Ryzen 7 7840S.

Feature	Ryzen 7 5800X	Ryzen 7 7840S
Cores / Threads	8 / 16	8 / 16
Boost Clock	4.7 GHz	5.1 GHz+9%
Base Clock	3.8 GHz	3.8 GHz
L3 Cache	32 MB+100%	16 MB
L2 Cache	512K (per core)	8 MB+1500%
Process	7 nm, 12 nm	4 nm-43%
Architecture	Vermeer (Zen 3) (2020−2022)	Phoenix-HS (Zen 4) (2023)
PassMark	27,712+19%	23,290
Cinebench R23 Multi	—	13,500
Geekbench 6 Single	—	2,570
Geekbench 6 Multi	—	13,535

🧠

Memory & Platform

The Ryzen 7 5800X uses the AM4 socket (PCIe 4.0), while the Ryzen 7 7840S uses FP7/FP7r2/FP8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 7 5800X versus DDR5-5600, LPDDR5x-7500 on the Ryzen 7 7840S — the Ryzen 7 7840S supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 7840S supports up to 256 GB of RAM compared to 128 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Ryzen 7 5800X) vs 20 (Ryzen 7 7840S) — the Ryzen 7 5800X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X) and SoC (Ryzen 7 7840S).

Feature	Ryzen 7 5800X	Ryzen 7 7840S
Socket	AM4	FP7/FP7r2/FP8
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	DDR5-5600, LPDDR5x-7500+25%
Max RAM Capacity	128 GB	256 GB+100%
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	24+20%	20

🔧

Advanced Features

Only the Ryzen 7 5800X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 7 7840S supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 7 5800X) vs AMD-V (SVM) (Ryzen 7 7840S). The Ryzen 7 7840S includes integrated graphics (Radeon 780M), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: Ryzen 7 5800X targets Desktop, Ryzen 7 7840S targets Gaming. Direct competitor: Ryzen 7 7840S rivals Core i7-1360P.